It is absolutely vital to vent. If you don't, it builds up and you'll just explode - and for aspies this has much worse ramifications for us.
Vent all you like - this is, after all, a large part of the reason for the existence of this forum.
As for your father, the only choice you have is to get out of there. First chance you get, leave. He's only going to kill you slowly - and he'll enjoy every moment of it.
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We are one, we are strong... the more you hold us down, the more we press on - Creed, "What If"
AS is definitive. Reality is frequently inaccurate.
I'm the same as I was when I was six years old - Modest Mouse